Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    SN65HVD08 Search Results

    SN65HVD08 Result Highlights (5)

    Part ECAD Model Manufacturer Description Download Buy
    SN65HVD08D Texas Instruments 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Visit Texas Instruments Buy
    SN65HVD08DG4 Texas Instruments 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Visit Texas Instruments Buy
    SN65HVD08P Texas Instruments 3.3/5-V RS-485 Transceiver 8-PDIP -40 to 85 Visit Texas Instruments Buy
    SN65HVD08DRG4 Texas Instruments 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Visit Texas Instruments Buy
    SN65HVD08DR Texas Instruments 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Visit Texas Instruments Buy
    SF Impression Pixel

    SN65HVD08 Price and Stock

    Texas Instruments SN65HVD08DR

    IC TRANSCEIVER HALF 1/1 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN65HVD08DR Digi-Reel 3,641 1
    • 1 $4.94
    • 10 $3.764
    • 100 $3.1456
    • 1000 $2.82156
    • 10000 $2.82156
    Buy Now
    SN65HVD08DR Cut Tape 3,641 1
    • 1 $4.94
    • 10 $3.764
    • 100 $3.1456
    • 1000 $2.82156
    • 10000 $2.82156
    Buy Now
    SN65HVD08DR Reel 2,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $2.7407
    Buy Now
    Mouser Electronics SN65HVD08DR 4,000
    • 1 $4.94
    • 10 $3.47
    • 100 $3.15
    • 1000 $2.83
    • 10000 $2.74
    Buy Now
    Quest Components SN65HVD08DR 1,112
    • 1 $9.465
    • 10 $9.465
    • 100 $9.465
    • 1000 $4.7325
    • 10000 $4.7325
    Buy Now
    TME SN65HVD08DR 1,076 1
    • 1 $4.42
    • 10 $4.26
    • 100 $3.55
    • 1000 $2.76
    • 10000 $2.76
    Buy Now
    Ameya Holding Limited SN65HVD08DR 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Chip 1 Exchange SN65HVD08DR 16,530
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    New Advantage Corporation SN65HVD08DR 7,824 1
    • 1 -
    • 10 -
    • 100 $2.97
    • 1000 $2.97
    • 10000 $2.77
    Buy Now
    Win Source Electronics SN65HVD08DR 35,698
    • 1 -
    • 10 -
    • 100 $1.1393
    • 1000 $0.9429
    • 10000 $0.9429
    Buy Now

    Texas Instruments SN65HVD08P

    IC TRANSCEIVER HALF 1/1 8PDIP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN65HVD08P Tube 200
    • 1 -
    • 10 -
    • 100 -
    • 1000 $4.90765
    • 10000 $4.90765
    Buy Now
    Mouser Electronics SN65HVD08P 227
    • 1 $11.09
    • 10 $8
    • 100 $5.88
    • 1000 $4.9
    • 10000 $4.9
    Buy Now
    Ameya Holding Limited SN65HVD08P 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    Texas Instruments SN65HVD08D

    IC TRANSCEIVER HALF 1/1 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN65HVD08D Tube
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Newark SN65HVD08D Bulk 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Bristol Electronics SN65HVD08D 19
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Quest Components SN65HVD08D 15
    • 1 $2.8
    • 10 $2.1
    • 100 $1.75
    • 1000 $1.75
    • 10000 $1.75
    Buy Now
    TME SN65HVD08D 21 1
    • 1 $7.31
    • 10 $5.81
    • 100 $4.73
    • 1000 $4.73
    • 10000 $4.73
    Buy Now
    NexGen Digital SN65HVD08D 34
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Chip-Germany GmbH SN65HVD08D SINGLE 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Win Source Electronics SN65HVD08D 35,500
    • 1 -
    • 10 -
    • 100 $1.1393
    • 1000 $0.9429
    • 10000 $0.9429
    Buy Now

    Texas Instruments SN65HVD08DG4

    IC TRANSCEIVER HALF 1/1 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN65HVD08DG4 Tube 150
    • 1 -
    • 10 -
    • 100 -
    • 1000 $3.58333
    • 10000 $3.58333
    Buy Now
    Win Source Electronics SN65HVD08DG4 35,600
    • 1 -
    • 10 -
    • 100 $1.1393
    • 1000 $0.9429
    • 10000 $0.9429
    Buy Now

    Texas Instruments SN65HVD08DRG4

    IC TRANSCEIVER HALF 1/1 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN65HVD08DRG4 Reel 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $2.7407
    Buy Now
    Mouser Electronics SN65HVD08DRG4
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $2.56
    Get Quote
    Win Source Electronics SN65HVD08DRG4 35,700
    • 1 -
    • 10 -
    • 100 $1.1393
    • 1000 $0.9429
    • 10000 $0.9429
    Buy Now

    SN65HVD08 Datasheets (19)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    SN65HVD08 Texas Instruments RS-485 Original PDF
    SN65HVD08D Texas Instruments Wide Supply Range RS-485 Transceiver Original PDF
    SN65HVD08D Texas Instruments WIDE SUPPLY RANGE RS-485 TRANSCEIVER Original PDF
    SN65HVD08D Texas Instruments 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Original PDF
    SN65HVD08D Texas Instruments SN65HVD08 - 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Original PDF
    SN65HVD08DG4 Texas Instruments 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Original PDF
    SN65HVD08DG4 Texas Instruments SN65HVD08 - 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Original PDF
    SN65HVD08DR Texas Instruments 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Original PDF
    SN65HVD08DR Texas Instruments 3.3/5-V RS-485 Transceiver Original PDF
    SN65HVD08DR Texas Instruments SN65HVD08 - 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Original PDF
    SN65HVD08DRG4 Texas Instruments 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Original PDF
    SN65HVD08DRG4 Texas Instruments SN65HVD08 - 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 Original PDF
    SN65HVD08P Texas Instruments WIDE SUPPLY RANGE RS-485 TRANSCEIVER Original PDF
    SN65HVD08P Texas Instruments Wide Supply Range RS-485 Transceiver Original PDF
    SN65HVD08P Texas Instruments 3.3/5-V RS-485 Transceiver 8-PDIP -40 to 85 Original PDF
    SN65HVD08P Texas Instruments SN65HVD08 - 3.3/5-V RS-485 Transceiver 8-PDIP -40 to 85 Original PDF
    SN65HVD08PE4 Texas Instruments 3.3/5-V RS-485 Transceiver 8-PDIP -40 to 85 Original PDF
    SN65HVD08PE4 Texas Instruments SN65HVD08 - 3.3/5-V RS-485 Transceiver 8-PDIP -40 to 85 Original PDF
    SN65HVD08PG4 Texas Instruments Integrated Circuits (ICs) - Interface - Drivers, Receivers, Transceivers - IC RS485 TXRX 10MBPS 8-DIP Original PDF

    SN65HVD08 Datasheets Context Search

    Catalog Datasheet MFG & Type Document Tags PDF

    vp08

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 vp08 PDF

    65hvd08

    Abstract: 710 opto coupler vp08 TI
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 65hvd08 710 opto coupler vp08 TI PDF

    75HVD08

    Abstract: 65hvd08 SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D vn08 VP08 MARKING vp08
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 75HVD08 65hvd08 SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D vn08 VP08 MARKING vp08 PDF

    SN65HVD080

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 SN65HVD080 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 PDF

    75Hv

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 75Hv PDF

    710 opto coupler

    Abstract: vp08
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 710 opto coupler vp08 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550B – NOVEMBER 2002 – REVISED APRIL 2005 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550B RS-485 TIA/EIA-485 PDF

    SLLA036B

    Abstract: SLLA098 ISO-8482E
    Text: SN65HVD08 SN75HVD08 www.ti.com SLLS550 – NOVEMBER 2002 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES D Operates With a 3-V to 5.5-V Supply D Consumes Less Than 90 mW Quiescent D Power Open-Circuit and Idle-Bus Failsafe Receiver Design 1/8th Unit-Load up to 256 nodes on the bus


    Original
    SN65HVD08 SN75HVD08 SLLS550 RS-485 SN65HVD08s SN75HVD08D SN75HVD08DR SN75HVD08P SLLA036B SLLA098 ISO-8482E PDF

    Untitled

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550A – NOVEMBER 2002 – REVISED MAY 2003 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550A RS-485 TIA/EIA-485 SN65HVD08s PDF

    710 opto coupler

    Abstract: SN75HVD08D vp08 TI SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550A – NOVEMBER 2002 – REVISED MAY 2003 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550A RS-485 TIA/EIA-485 SN65HVD08s 710 opto coupler SN75HVD08D vp08 TI SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 PDF

    SN65HVD08D VP08

    Abstract: 65hvd08 75HVD08
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 SN65HVD08D VP08 65hvd08 75HVD08 PDF

    SN65HVD08

    Abstract: SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D 65hvd08 vp08 TI
    Text: SN65HVD08 SN75HVD08 www.ti.com SLLS550 – NOVEMBER 2002 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES D Operates With a 3-V to 5.5-V Supply D Consumes Less Than 90 mW Quiescent D Power Open-Circuit and Idle-Bus Failsafe Receiver Design 1/8th Unit-Load up to 256 nodes on the bus


    Original
    SN65HVD08 SN75HVD08 SLLS550 RS-485 TIA/EIA-485 SN65HVD08s SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D 65hvd08 vp08 TI PDF

    M 0021

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550B – NOVEMBER 2002 – REVISED APRIL 2005 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550B RS-485 TIA/EIA-485 M 0021 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550B – NOVEMBER 2002 – REVISED APRIL 2005 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550B RS-485 TIA/EIA-485 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 PDF

    vp08 TI

    Abstract: 65hvd08 75HVD08 SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D SLLS550C 710 opto coupler
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 vp08 TI 65hvd08 75HVD08 SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D SLLS550C 710 opto coupler PDF

    65hvd08

    Abstract: vp08 TI SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D
    Text: SN65HVD08 SN75HVD08 www.ti.com SLLS550A – NOVEMBER 2002 REVISED MAY 2003 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES D Operates With a 3-V to 5.5-V Supply D Consumes Less Than 90 mW Quiescent D Power Open-Circuit, Short-Circuit, and Idle-Bus Failsafe Receiver


    Original
    SN65HVD08 SN75HVD08 SLLS550A RS-485 TIA/EIA-485 SN65HVD08s 65hvd08 vp08 TI SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D PDF

    Isolated Feedback Generator an

    Abstract: vp08 TI 340 opto isolator SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D 710 opto coupler
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 Isolated Feedback Generator an vp08 TI 340 opto isolator SN65HVD08 SN65HVD08D SN65HVD08P SN75HVD08 SN75HVD08D 710 opto coupler PDF

    Untitled

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 PDF

    65hvd08

    Abstract: vp08 TI SN65HVD08D SN75HVD080 SN65HVD08 SN65HVD08P SN75HVD08 SN75HVD08D
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550A – NOVEMBER 2002 – REVISED MAY 2003 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550A RS-485 TIA/EIA-485 SN65HVD08s 65hvd08 vp08 TI SN65HVD08D SN75HVD080 SN65HVD08 SN65HVD08P SN75HVD08 SN75HVD08D PDF

    Untitled

    Abstract: No abstract text available
    Text: SN75HVD08, SN65HVD08 www.ti.com SLLS550C – NOVEMBER 2002 – REVISED JULY 2006 WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES • • • • • • • Operates With a 3-V to 5.5-V Supply Consumes Less Than 90 mW Quiescent Power Open-Circuit, Short Circuit, and Idle-Bus


    Original
    SN75HVD08, SN65HVD08 SLLS550C RS-485 TIA/EIA-485 PDF